Cooking vessel



FIG. 1 is a front and top perspective view of a cooking vessel showing our new design;

FIG. 2 is a front elevational view thereof, the rear, left, and right side elevational views being identical;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a bottom plan view thereof. 

The ornamental design for a cooking vessel, as shown and described. 